Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Claus J Fimmel, MD

Q: What is the NPI number for Claus Fimmel?

The National Provider Identifier (NPI) for Claus Fimmel is 1568417780, a Type 1 (individual) record in the CMS NPPES registry.

Gastroenterology Physician in Northbrook, IL · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1568417780

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Registry record

Entity type Individual (Type 1)

Name Claus J Fimmel

Credential MD

Sex Male

Practice address 40 Skokie Blvd., Suite 110, Northbrook, IL, 60062

Phone (224) 407-4400

Fax (224) 407-2255

Enumeration date May 24, 2006

Last updated in NPPES Nov 19, 2025

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 13614-320 (WI) Secondary

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 036115700 (IL) Primary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 036115700 (IL) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Claus Fimmel?

The National Provider Identifier (NPI) for Claus Fimmel is 1568417780, a Type 1 (individual) record in the CMS NPPES registry.

Where does Claus Fimmel practice?

The practice location on file with NPPES is in Northbrook, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-19.